diff --git a/ZipConvertCustomerBarCode.SkiaSharp/ZipConvertCustomerBarCode.SkiaSharp.csproj b/ZipConvertCustomerBarCode.SkiaSharp/ZipConvertCustomerBarCode.SkiaSharp.csproj
index d8a8239..dc53e72 100644
--- a/ZipConvertCustomerBarCode.SkiaSharp/ZipConvertCustomerBarCode.SkiaSharp.csproj
+++ b/ZipConvertCustomerBarCode.SkiaSharp/ZipConvertCustomerBarCode.SkiaSharp.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="SkiaSharp" Version="4.155.0" />
+    <PackageReference Include="SkiaSharp" Version="4.156.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/ZipConvertCustomerBarCode.Tests/ZipConvertCustomerBarCode.Tests.csproj b/ZipConvertCustomerBarCode.Tests/ZipConvertCustomerBarCode.Tests.csproj
index 28d8d6f..9212f3a 100644
--- a/ZipConvertCustomerBarCode.Tests/ZipConvertCustomerBarCode.Tests.csproj
+++ b/ZipConvertCustomerBarCode.Tests/ZipConvertCustomerBarCode.Tests.csproj
@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="xunit.v3" Version="4.0.2" />
     <!-- Linux(CI)で SkiaSharp のテストを動かすためのネイティブライブラリ -->
-    <PackageReference Include="SkiaSharp.NativeAssets.Linux.NoDependencies" Version="4.155.0" />
+    <PackageReference Include="SkiaSharp.NativeAssets.Linux.NoDependencies" Version="4.156.0" />
     <Using Include="Xunit" />
   </ItemGroup>